Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 09:00
Static task
static1
Behavioral task
behavioral1
Sample
bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe
Resource
win10v2004-20240426-en
General
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Target
bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe
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Size
4.1MB
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MD5
c9a90d99d8c26f334749d4372d009614
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SHA1
29aaa6bedd4a2f13ea5f420f1f3cec944366bf97
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SHA256
bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480
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SHA512
b9733af50135448626ed9209e8770c8f6ea4db3b74870700524c932e717e8d325c0bac2fa06e727ee8395388b8df32300e6bbe5f644a44bad9be02d320b62321
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SSDEEP
98304:ovCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P1Q:ovC3DFSWO/BjYGk1PnXHoWWZ1za6NQ
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2352-2-0x00000000044E0000-0x0000000004DCB000-memory.dmp family_glupteba behavioral1/memory/2352-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2352-56-0x00000000044E0000-0x0000000004DCB000-memory.dmp family_glupteba behavioral1/memory/2352-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2352-55-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2936-137-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2824-220-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2824-230-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2824-232-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2824-234-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2824-236-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2824-238-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2824-240-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2824-242-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2824-244-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2824-246-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2824-248-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2824-250-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2824-252-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 712 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2824 csrss.exe 1084 injector.exe 4272 windefender.exe 3264 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002344f-223.dat upx behavioral1/memory/4272-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4272-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3264-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3264-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3264-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3272 sc.exe -
pid Process 2964 powershell.exe 2228 powershell.exe 2132 powershell.exe 3820 powershell.exe 3436 powershell.exe 5068 powershell.exe 728 powershell.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4860 2352 WerFault.exe 83 1832 2936 WerFault.exe 93 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4292 schtasks.exe 2420 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2964 powershell.exe 2964 powershell.exe 2352 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 2352 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 2228 powershell.exe 2228 powershell.exe 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 2132 powershell.exe 2132 powershell.exe 3820 powershell.exe 3820 powershell.exe 3820 powershell.exe 3436 powershell.exe 3436 powershell.exe 5068 powershell.exe 5068 powershell.exe 728 powershell.exe 728 powershell.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 2824 csrss.exe 2824 csrss.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 2824 csrss.exe 2824 csrss.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 2824 csrss.exe 2824 csrss.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2964 powershell.exe Token: SeDebugPrivilege 2352 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Token: SeImpersonatePrivilege 2352 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe Token: SeDebugPrivilege 2228 powershell.exe Token: SeDebugPrivilege 2132 powershell.exe Token: SeDebugPrivilege 3820 powershell.exe Token: SeDebugPrivilege 3436 powershell.exe Token: SeDebugPrivilege 5068 powershell.exe Token: SeDebugPrivilege 728 powershell.exe Token: SeSystemEnvironmentPrivilege 2824 csrss.exe Token: SeSecurityPrivilege 3272 sc.exe Token: SeSecurityPrivilege 3272 sc.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 2352 wrote to memory of 2964 2352 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 86 PID 2352 wrote to memory of 2964 2352 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 86 PID 2352 wrote to memory of 2964 2352 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 86 PID 2936 wrote to memory of 2228 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 97 PID 2936 wrote to memory of 2228 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 97 PID 2936 wrote to memory of 2228 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 97 PID 2936 wrote to memory of 688 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 102 PID 2936 wrote to memory of 688 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 102 PID 2936 wrote to memory of 2132 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 105 PID 2936 wrote to memory of 2132 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 105 PID 2936 wrote to memory of 2132 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 105 PID 2936 wrote to memory of 3820 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 109 PID 2936 wrote to memory of 3820 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 109 PID 2936 wrote to memory of 3820 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 109 PID 2936 wrote to memory of 2824 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 111 PID 2936 wrote to memory of 2824 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 111 PID 2936 wrote to memory of 2824 2936 bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe 111 PID 2824 wrote to memory of 3436 2824 csrss.exe 114 PID 2824 wrote to memory of 3436 2824 csrss.exe 114 PID 2824 wrote to memory of 3436 2824 csrss.exe 114 PID 2824 wrote to memory of 5068 2824 csrss.exe 120 PID 2824 wrote to memory of 5068 2824 csrss.exe 120 PID 2824 wrote to memory of 5068 2824 csrss.exe 120 PID 2824 wrote to memory of 728 2824 csrss.exe 122 PID 2824 wrote to memory of 728 2824 csrss.exe 122 PID 2824 wrote to memory of 728 2824 csrss.exe 122 PID 2824 wrote to memory of 1084 2824 csrss.exe 124 PID 2824 wrote to memory of 1084 2824 csrss.exe 124 PID 4272 wrote to memory of 3780 4272 windefender.exe 130 PID 4272 wrote to memory of 3780 4272 windefender.exe 130 PID 4272 wrote to memory of 3780 4272 windefender.exe 130 PID 3780 wrote to memory of 3272 3780 cmd.exe 131 PID 3780 wrote to memory of 3272 3780 cmd.exe 131 PID 3780 wrote to memory of 3272 3780 cmd.exe 131 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe"C:\Users\Admin\AppData\Local\Temp\bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2964
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C:\Users\Admin\AppData\Local\Temp\bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe"C:\Users\Admin\AppData\Local\Temp\bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2936 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2228
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵PID:688
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C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:712
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2132
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3820
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3436
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4292
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4112
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5068
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:728
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1084
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2420
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4272 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:3780 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:3272
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 7083⤵
- Program crash
PID:1832
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 9402⤵
- Program crash
PID:4860
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2352 -ip 23521⤵PID:436
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2936 -ip 29361⤵PID:3676
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3264
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5388416bcad8e7bc3f4a4d63777935874
SHA190f01ba019b93d4d42f3863fff08d2dd88491bcb
SHA256bc9817d2cfdbaf114b8646b00f33294b4561fe9b51eb3d690f5c731ff6160beb
SHA512a8ccee8574ef06f81c2230aa95befca11935e3835cd4d9e20fe540d308572912fb4ac8cf20abff4bc1707e52d75fb87d91ba0b89431550525182f48676c1aa4f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54c475c9ae4002130307627393264927a
SHA1d864ea89e39eb11e0d9a40fd18f989cdf2f3b91f
SHA256a5cb1c6ca4b217983b0ef7e18c12f95b3b2bf4d52949f09b557a84b1722bbbcc
SHA51275613ff3803976b423261c4dc327a7d12ea560b07504dc4dcd51e02c243ca236c082ea67ebd80db400c9e614df1986d4b70cf2260528ae706d32c292679bd1e5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f16d19dcd71b316a5f0ff8809932ec06
SHA1846b823a59765a551e3873d3955e3c7004c903c2
SHA25698007ca75e6a25e2a64ce90511aef5404336a23936ffe78ce20537af2597bff2
SHA512fc9b2ba8efd26887017d06253df8ba67b7ac32ec00b20d81aa5eb5d960db2e84a5844b3d7ae499e15508eb9323b3dfbc16af08ed4f8830c7c04e8633b8b269e1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD561ad02990e6feda85fde2c31e5025781
SHA1adbabb889a3dd5c2bec7cc7b1d733ef7c79852f0
SHA256157da569a2e8e1ac920ee62bdf78d62cca91a4cbe39203ac469a4a3588e7ae1d
SHA512850558f1b70781a54c0e1540748134dfeb8571ed304e02587d0717b233b0c71c3a0fd60862d3e9d1a260267867d2e9398abf869b0b7f15cc154421692554fcae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51c6fe53b6ec9389cfe7ae872aeb91b4f
SHA1b067ec982e60df4991628e8c210b5eaa94abce78
SHA256a466ffc8b201e8eb835678f99e31c4be91cbb4d7d6433c5f9c6f67e86a3e3e99
SHA5125f0a8fbd0f70c142714e122cfd1a8e1bb5e4a94979e2cba01884a50ad13a846e632b715878c8f127377afe6aa0437f6cefb7996a01cfa34aa7f3a9e78fb3fdd8
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Filesize
4.1MB
MD5c9a90d99d8c26f334749d4372d009614
SHA129aaa6bedd4a2f13ea5f420f1f3cec944366bf97
SHA256bac00b38bc2fef94b6ef9660b08fb698917ac100d7a010fda7c57d8d14068480
SHA512b9733af50135448626ed9209e8770c8f6ea4db3b74870700524c932e717e8d325c0bac2fa06e727ee8395388b8df32300e6bbe5f644a44bad9be02d320b62321
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec